3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ [ 'id' => 10, 'name' => 'John', 'occupation' => 'engineer', 'points' => 10 ], [ 'id' => 10, 'name' => 'John', 'occupation' => 'librarian', 'points' => 14 ], [ 'id' => 7, 'name' => 'Sarah', 'occupation' => 'artist', 'points' => 21 ], [ 'id' => 7, 'name' => 'Sarah', 'occupation' => 'teacher', 'points' => 17 ], [ 'id' => 10, 'name' => 'John', 'occupation' => 'butcher', 'points' => 7 ], [ 'id' => 7, 'name' => 'Sarah', 'occupation' => 'engineer', 'points' => 9 ], [ 'id' => 25, 'name' => 'Andreea', 'occupation' => 'judge', 'points' => 11 ] ]; $result = []; foreach($arr as $v){ $result[$v["id"]][] = $v; } print_r($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 9
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 9
Branch analysis from position: 4
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/cMMbf
function name:  (null)
number of ops:  14
compiled vars:  !0 = $arr, !1 = $result, !2 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   48     1        ASSIGN                                                   !1, <array>
   49     2      > FE_RESET_R                                       $5      !0, ->9
          3    > > FE_FETCH_R                                               $5, !2, ->9
   50     4    >   FETCH_DIM_R                                      ~6      !2, 'id'
          5        FETCH_DIM_W                                      $7      !1, ~6
          6        ASSIGN_DIM                                               $7
          7        OP_DATA                                                  !2
   49     8      > JMP                                                      ->3
          9    >   FE_FREE                                                  $5
   52    10        INIT_FCALL                                               'print_r'
         11        SEND_VAR                                                 !1
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
145.19 ms | 1004 KiB | 14 Q